well when me and my friend both started barbs i found the skill trees =to be very limited... One of the trees is JUST for masteries.. 90% of thought through barbs will only use 1 mayb 2 (for natural res) from this tree..
Another thing is the lack of mana efficient AoE (WW costs a big chunk of mana) sorry if im wrong if WW goes down is mana cost with higher skill... i quit my barb after lvl 38 because of the lack of variety i felt..
here are the 3 skill trees i think there should be:
Swords and Axes
3 different paths in the tree,
1 for swords (left, masteries and mayb somehings like slice and dice)
1 for axe (right, again masteries and mayb something like Cyclone that hits all adjacent enemies)
1 for attacks that can be used in both.. A varient of WW (thats going in next tree) and some other general skills and passives like extra crit strike..
Maces and two handed Weapons (poles, Bardiches, Spear and things)
3 paths again very similar to last tree
1 Maces (masteries and some skills like 'Skull Crack' and blunt like skills.
1 for 2 handed weapons (WW and masteries ]maybe a skill that allows Dual Wield and more points = more damage at max skill it could be somehting like 75:75 damage]
1 for more passives and other skills ... Maybe a crack armor skill that lowers targets defence by half? or target takes double damage from physical attacks for 10 seconds...
And ofcourse Party/Shouts..
pretty much the same shouts as D2 i thought they were the only versatile part of barb in D2...
well if anybody has opinions on this would be happy to hear them
